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A030661
Product of next 2 primes after n.
3
6, 15, 35, 35, 77, 77, 143, 143, 143, 143, 221, 221, 323, 323, 323, 323, 437, 437, 667, 667, 667, 667, 899, 899, 899, 899, 899, 899, 1147, 1147, 1517, 1517, 1517, 1517, 1517, 1517, 1763, 1763, 1763, 1763
OFFSET
1,1
FORMULA
a(n) = A151800(n) * A101300(n) . - R. J. Mathar, Aug 09 2019
MAPLE
A030661 := n->nextprime(n) * nextprime(nextprime(n));
CROSSREFS
Cf. A000040.
Sequence in context: A120849 A358210 A338053 * A245630 A357848 A049728
KEYWORD
nonn
AUTHOR
STATUS
approved